25142563 has 2 divisors, whose sum is σ = 25142564. Its totient is φ = 25142562.

The previous prime is 25142543. The next prime is 25142599. The reversal of 25142563 is 36524152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25142563 - 2¹³ = 25134371 is a prime.

It is not a weakly prime, because it can be changed into another prime (25142503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12571281 + 12571282.

It is an arithmetic number, because the mean of its divisors is an integer number (12571282).

Almost surely, 2^25142563 is an apocalyptic number.

25142563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25142563 is an equidigital number, since it uses as much as digits as its factorization.

25142563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 25142563 is about 5014.2360335349. The cubic root of 25142563 is about 292.9565296395.

The spelling of 25142563 in words is "twenty-five million, one hundred forty-two thousand, five hundred sixty-three".